# Taiwan Datum vs 安全e點靈

The clearest difference is price: 安全e點靈 at Free against Taiwan Datum's $1.99. 安全e點靈 also leads on iOS requirement (9.0 vs 13.0). Taiwan Datum's advantage is update cadence (every 2 months vs every 4 months). On ads, in-app purchases and device support there is nothing between them.

安全e點靈 is free to download; Taiwan Datum costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Taiwan Datum ships an update every 2 months, 安全e點靈 every 4 months. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Taiwan Datum | 安全e點靈 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 3 MB | 13 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HUNG HSUN LIN](https://appshunter.io/developer/482586427) | [Chunghwa Telecom Co., Ltd.](https://appshunter.io/developer/537886218) |

## What reviewers say

### Taiwan Datum

[App page](https://appshunter.io/ios/app/taiwan-datum/id620301625)

This app measures coordinates in Taiwan using WGS84, TWD97, and TWD67 systems. It allows users to export data as CSV and attach photos, videos, and voice recordings to measurements.

**Highlights:** WGS84, TWD97, TWD67 coordinate systems, CSV data export, Attach photos, Attach videos, Attach voice records, Download media via iTunes

**Features:** Vision Pro support

**In-app purchases:** none


### 安全e點靈

[App page](https://appshunter.io/ios/app/e/id1105759151)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Taiwan Datum free?

Taiwan Datum costs $1.99, with no in-app purchases.

### Is 安全e點靈 free?

安全e點靈 is free to download, with no in-app purchases.

### Do Taiwan Datum or 安全e點靈 have ads?

Neither Taiwan Datum nor 安全e點靈 shows ads.

### Which is updated more often, Taiwan Datum or 安全e點靈?

Taiwan Datum ships an update every 2 months, and 安全e點靈 every 4 months. Most recently, Taiwan Datum was updated on September 30, 2026 and 安全e點靈 on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*